Home / 22,421.61-33,621.47-13,064.91

Finding the Fourth Proportional to 22,421.61, 33,621.47 and 13,064.91

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Solution

The fourth proportional to 22,421.61, 33,621.47 and 13,064.91 is: 19,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.61 : 33,621.47 = 13,064.91 : x
  2. Step 2: Convert to fraction form
    22,421.61/33,621.47 = 13,064.91/x
  3. Step 3: Cross multiply
    22,421.61x = 33,621.47 × 13,064.91
  4. Step 4: Simplify right side
    22,421.61x = 439,261,414.29
  5. Step 5: Solve for x
    x = 439,261,414.29/22,421.61
  6. Step 6: Final answer
    x = 19,590.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.